Coffee Hydrates Similarly To Water

Moderate coffee can hydrate the body similarly to water, and researchers found no evidence that it caused dehydration in habitual coffee drinkers. In a 2014 crossover study 50 men took part in two three-day trials in which they drank either four 200-milliliter cups of coffee or the same amount of water per day. The researchers found no significant differences between trials in total body water, blood measures, 24 hour urine volume or urine concentration.

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